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Talekar S, Tak Y, Joshi A, Ahn K, Yeon KM, Kim J. Magnetic hollow fibers of covalent organic frameworks (COF) for pollutant degradation and adsorptive removal. ENVIRONMENTAL RESEARCH 2024; 259:119519. [PMID: 38964582 DOI: 10.1016/j.envres.2024.119519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 06/07/2024] [Accepted: 06/29/2024] [Indexed: 07/06/2024]
Abstract
The shaping of covalent organic frameworks (COFs) from non-processible powder forms into applicable architectures with additional functionality remains a challenge. Using pre-electrospun polymer fibers as a sacrificial template, herein, we report a green synthesis of an architecture in the form of COF hollow fibers with an inner layer of peroxidase-like iron oxide nanoparticles as a catalytic material. When compared to peroxidase-like pristine iron oxide nanoparticles, these COF hollow fibers demonstrate higher catalytic breakdown of crystal violet due to their peroxidase-like activity via advanced oxidation process. Furthermore, as a potential adsorbent, hollow COF fibers exhibit significantly effective adsorption capacity and removal efficiency of organic solvent and oil from water. Because of their magnetic nature, COF hollow fibers can be easily recovered and have exhibited high recycling stability for both catalytic dye degradation and organic solvent removal from water.
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Affiliation(s)
- Sachin Talekar
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea.
| | - Yeojin Tak
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Asavari Joshi
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Kyungmin Ahn
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Kyung-Min Yeon
- Engineering Center, Samsung C&T Corporation, Tower B, 26, Sangil-ro, 6- gil, Gangdong-gu, Seoul, Republic of Korea.
| | - Jungbae Kim
- Department of Chemical and Biological Engineering, Korea University, Seoul, 02841, Republic of Korea.
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2
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Hu J, Chen K, Xiang M, Wei J, Zeng Y, Qin Y, Zhang L, Zhang W. A novel sponge composite of chitosan-sodium tripolyphosphate-melamine for anionic dye Orange II removal. Int J Biol Macromol 2024; 270:132056. [PMID: 38704070 DOI: 10.1016/j.ijbiomac.2024.132056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 04/29/2024] [Accepted: 05/01/2024] [Indexed: 05/06/2024]
Abstract
Since the potential carcinogenic, toxic and non-degradable dyes trigger serious environmental contamination by improper treatment, developing novel adsorbents remains a major challenge. A novel high efficiency and biopolymer-based environmental-friendly adsorbent, chitosan‑sodium tripolyphosphate-melamine sponge (CTS-STPP-MS) composite, was prepared for Orange II removing with chitosan as raw material, sodium tripolyphosphate as cross-linking agent. The composite was carefully characterized by SEM, EDS, FT-IR and XPS. The influence of crosslinking conditions, dosage, pH, initial concentration, contacting time and temperature on adsorption were tested through batch adsorption experiments. CTS-STPP-MS adsorption process was exothermic, spontaneous and agreed with Sips isotherm model accompanying the maximum adsorption capacity as 948 mg∙g-1 (pH = 3). Notably, the adsorption performance was outstanding for high concentration solutions, with a removal rate of 97 % in up to 2000 mg∙L-1 OII solution (100 mg sorbent dosage, 50 mL OII solution, pH = 3, 289.15 K). In addition, the adsorption efficiency yet remained 97.85 % after 5 repeated adsorption-desorption cycles. The driving force of adsorption was attributed to electrostatic attraction and hydrogen bonds which was proved by adsorption results coupled with XPS. Owing to the excellent properties of high-effective, environmental-friendly, easy to separate and regenerable, CTS-STPP-MS composite turned out to be a promising adsorbent in contamination treatment.
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Affiliation(s)
- Jiani Hu
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Kexin Chen
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Minghan Xiang
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Jianxiang Wei
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Yang Zeng
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Yan Qin
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Lingfan Zhang
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China; Research Center of Analysis and Test, East China University of Science and Technology, Shanghai 200237, PR China.
| | - Wenqing Zhang
- School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China.
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Rashid M, Rehman R, E Al-Hazemi M, Jahangir MM, T Al-Thagafi Z, I Alsantali R, Akram M. Process optimization of adsorptive phytoremediation of mutagenic brilliant green dye for health risk management using chemically activated Symplocos racemosa agro-waste. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 26:626-638. [PMID: 37735932 DOI: 10.1080/15226514.2023.2259987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
Textile industries use large amounts of water as well as dyes. These dyes containing water are then discharged into the water bodies causing a significant role in water pollution. Brilliant Green dye contributes to many harmful diseases related to the respiratory and gastrointestinal tract. In this study, Symplocos racemosa (SR) agro-waste was chemically treated with acid (SR-HCl) and base (SR-NaOH) and then used for removing Brilliant Green Dye (BGD) on the batch scale. They were characterized by SEM, EDX, FTIR, XRD, TGA and DSC. Optimized conditions were 30 °C temperature, pH 6, adsorbent dose of 0.10 g/25 ml dye solution, shaking speed of 100 revolutions per minute, initial dye concentration of 50 ppm and 35 min time for shaking adsorbent and dye solution. Adsorption data obtained were analyzed using isotherms. The experimental data was found to fit well with the Langmuir model and the maximum adsorption capacity (qmax) of BGD on the SR, SR-HCl, and SR-NaOH was revealed to be 62.90, 65.40, and 71 mg/g respectively. Kinetic data (pseudo-first-order and pseudo-second-order) were evaluated and adsorption tends to follow the pseudo-2nd-order, which indicated the chemisorption mechanism. The results revealed that Symplocos racemosa agro-waste can be considered as the potential biosorbent.
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Affiliation(s)
- Muhammad Rashid
- Centre for Inorganic Chemistry, School of Chemistry, University of the Punjab, Lahore, Pakistan
| | - Rabia Rehman
- Centre for Inorganic Chemistry, School of Chemistry, University of the Punjab, Lahore, Pakistan
| | - Maha E Al-Hazemi
- Department of Chemistry, College of Science and Art at khulis, University of Jeddah, Jeddah, Saudi Arabia
| | | | - Zahrah T Al-Thagafi
- Department of Chemistry, College of Science, Taif University, Taif, Saudi Arabia
| | - Reem I Alsantali
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University, Taif, Saudi Arabia
| | - Mehwish Akram
- Institute of Geology, University of the Punjab, Lahore,- Pakistan
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Burmeister N, Vollstedt C, Kröger C, Friedrich T, Scharnagl N, Rohnke M, Zorn E, Wicha SG, Streit WR, Maison W. Zwitterionic surface modification of polyethylene via atmospheric plasma-induced polymerization of (vinylbenzyl-)sulfobetaine and evaluation of antifouling properties. Colloids Surf B Biointerfaces 2023; 224:113195. [PMID: 36758459 DOI: 10.1016/j.colsurfb.2023.113195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 01/31/2023] [Accepted: 02/02/2023] [Indexed: 02/05/2023]
Abstract
Zwitterionic polymer brushes were grafted from bulk polyethylene (PE) by air plasma activation of the PE surface followed by radical polymerization of the zwitterionic styrene derivative (vinylbenzyl)sulfobetaine (VBSB). Successful formation of dense poly-(VBSB)-brush layers was confirmed by goniometry, IR spectroscopy, XPS and ToF-SIMS analysis. The resulting zwitterionic layers are about 50-100 nm thick and cause extremely low contact angles of 10° (water) on the material. Correspondingly we determined a high density of > 1.0 × 1016 solvent accessible zwitterions/cm2 (corresponding to 2,0 *10-8 mol/cm2) by a UV-based ion-exchange assay with crystal violet. The elemental composition as determined by XPS and characteristic absorption bands in the IR spectra confirmed the presence of zwitterionic sulfobetaine polymer brushes. The antifouling properties of the resulting materials were evaluated in a bacterial adhesion test against gram-positive bacteria (S. aureus). We observed significantly reduced cellular adhesion of the zwitterionic material compared to pristine PE. These microbiological tests were complemented by tests in natural seawater. During a test period of 21 days, confocal microscopy revealed excellent antifouling properties and confirmed the operating antifouling mechanism. The procedure reported herein allows the efficient surface modification of bulk PE with zwitterionic sulfobetaine polymer brushes via a scalable approach. The resulting modified PE retains important properties of the bulk material and has excellent and durable antifouling properties.
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Affiliation(s)
- Nils Burmeister
- Universität Hamburg, Department of Chemistry, Bundesstrasse 45, 20146 Hamburg, Germany
| | - Christel Vollstedt
- Universität Hamburg, Department of Microbiology and Biotechnology, Ohnhorststrasse 18, 22609 Hamburg, Germany
| | - Cathrin Kröger
- Universität Hamburg, Department of Microbiology and Biotechnology, Ohnhorststrasse 18, 22609 Hamburg, Germany
| | - Timo Friedrich
- Universität Hamburg, Department of Chemistry, Bundesstrasse 45, 20146 Hamburg, Germany
| | - Nico Scharnagl
- Helmholtz-Zentrum Hereon GmbH, Institute of Surface Science, Max-Planck-Strasse 1, 21502 Geesthacht, Germany
| | - Marcus Rohnke
- Justus-Liebig-Universität Gießen, Institute of Physical Chemistry, Heinrich-Buff-Ring 17, 35392 Giessen, Germany
| | - Eilika Zorn
- Universität Hamburg, Department of Chemistry, Bundesstrasse 45, 20146 Hamburg, Germany
| | - Sebastian G Wicha
- Universität Hamburg, Department of Chemistry, Bundesstrasse 45, 20146 Hamburg, Germany
| | - Wolfgang R Streit
- Universität Hamburg, Department of Microbiology and Biotechnology, Ohnhorststrasse 18, 22609 Hamburg, Germany
| | - Wolfgang Maison
- Universität Hamburg, Department of Chemistry, Bundesstrasse 45, 20146 Hamburg, Germany.
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Gaba R, Kaur N, Urvika, Pal A, Sharma D. Study of intermolecular interactions present in ternary mixtures containing sugar alcohol and choline chloride at different temperatures. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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Ghazy NM, Ghaith EA, Abou El-Reash YG, Zaky RR, Abou El-Maaty WM, Awad FS. Enhanced performance of hydroxyl and cyano group functionalized graphitic carbon nitride for efficient removal of crystal violet and methylene blue from wastewater. RSC Adv 2022; 12:35587-35597. [PMID: 36540397 PMCID: PMC9743788 DOI: 10.1039/d2ra07032d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 12/08/2022] [Indexed: 10/27/2023] Open
Abstract
This work reports the synthesis of an innovative multifunctional carbon nitride based adsorbent and its successful application for the removal of crystal violet (CV) and methylene blue (MB) from wastewater. The functionalized graphitic carbon nitride (f/g-CN) adsorbent was produced by the pyrolysis of melamine followed by thermal alkali treatment to introduce OH, NH x , and CN groups onto the graphitic carbon nitride (g-CN) surface. Experimental data obtained from batch tests revealed that the maximum adsorption capacities of g-CN and f/g-CN were found to be 28.9 and 239.0 mg g-1 for MB, and 163.0 and 532.0 mg g-1 for CV, respectively, at pH 8, 25 °C and after 90 min. This increase in adsorption capacity of f/g-CN can be explained by the presence of multiple functional groups in its structure. f/g-CN showed 100% removal for MB and CV with concentrations lower than 100 ppm and the equilibrium time required for the 100% removal of 500 ppb dye is 60 seconds. Additionally, the experimental data fitted well with the Langmuir isotherm model (R 2 = 0.992) and pseudo second order kinetic model (R 2 = 0.999) suggesting that the mechanism of adsorption is based on π-π stacking and electrostatic interactions between the NH x and OH groups of f/g-CN and dye molecules with monolayer formation. Moreover, a reusability test showed that the adsorption capacity remained at around 90% after 7 cycles. This work highlights the merits of the prepared adsorbent f/g-CN which is an eco-friendly, stable, efficient, and reusable adsorbent for removing cationic dyes from wastewater.
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Affiliation(s)
- Nada M Ghazy
- Chemistry Department, Faculty of Science, Mansoura University Mansoura 35516 Egypt
| | - Eslam A Ghaith
- Chemistry Department, Faculty of Science, Mansoura University Mansoura 35516 Egypt
| | - Y G Abou El-Reash
- Chemistry Department, Faculty of Science, Mansoura University Mansoura 35516 Egypt
- Chemistry Department, Faculty of Science, Imam Mohammad Ibn Saud Islamic University P.O. Box, 90950 Riyadh 11623 Saudi Arabia
| | - Rania R Zaky
- Chemistry Department, Faculty of Science, Mansoura University Mansoura 35516 Egypt
| | - Weam M Abou El-Maaty
- Chemistry Department, Faculty of Science, Mansoura University Mansoura 35516 Egypt
| | - Fathi S Awad
- Chemistry Department, Faculty of Science, Mansoura University Mansoura 35516 Egypt
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Araújo MEB, Silva VC, Fernandes JV, Cartaxo JM, Rodrigues AM, Menezes RR, de Araújo Neves G. Innovative adsorbents based on bentonite mining waste for removal of cationic dyes from wastewater. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:90446-90462. [PMID: 35871192 DOI: 10.1007/s11356-022-22083-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 07/13/2022] [Indexed: 06/15/2023]
Abstract
Waste rock from bentonite mining (WRBM) was evaluated as potential adsorbents for removing crystal violet (CV) and methylene blue (MB) cationic dyes from contaminated water. The waste samples (AM01, AM02, and AM03) were collected from different locations of the bentonite mine and characterized through X-ray diffraction, X-ray fluorescence, Fourier-transform infrared spectroscopy, N2 adsorption/desorption, and cation exchange capacity. The adsorption efficiency of CV and MB dyes was investigated through the effect of initial concentration, contact time, pH, the dosage of adsorbent, and temperature. Sample AM02 showed the largest surface area (69.13 m2/g) and the best adsorptive performance for both dyes, with removal more significant than 90%. The adsorption of CV and MB in the waste followed the Langmuir isothermal model. Samples AM01 and AM02 followed the pseudo-second-order (PSO) kinetic model, while AM03 better fitted the Elovich kinetic model. The enthalpy (ΔH), entropy (ΔS), and Gibbs energy (ΔG) were evaluated as adsorption parameters. The process of adsorption of CV and MB dyes in the waste was predominantly endothermic and occurred spontaneously. WRBM samples proved to be a promising candidate for removing cationic dyes present in water.
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Affiliation(s)
- Maria Eduarda Barbosa Araújo
- Graduate Program in Materials Science and Engineering, Federal University of Campina Grande, Av. Aprígio Veloso - 882, Campina Grande, Paraíba, 58429-900, Brazil
| | - Vanderlane Cavalcanti Silva
- Graduate Program in Materials Science and Engineering, Federal University of Campina Grande, Av. Aprígio Veloso - 882, Campina Grande, Paraíba, 58429-900, Brazil
| | - Jucielle Veras Fernandes
- Graduate Program in Materials Science and Engineering, Federal University of Campina Grande, Av. Aprígio Veloso - 882, Campina Grande, Paraíba, 58429-900, Brazil
| | - Juliana Melo Cartaxo
- Laboratory of Materials Technology (LTM), Academic Unit of Materials Engineering, Federal University of Campina Grande (UFCG), Campina Grande, Paraíba, 58429-900, Brazil
| | - Alisson Mendes Rodrigues
- Laboratory of Materials Technology (LTM), Academic Unit of Materials Engineering, Federal University of Campina Grande (UFCG), Campina Grande, Paraíba, 58429-900, Brazil.
| | - Romualdo Rodrigues Menezes
- Laboratory of Materials Technology (LTM), Academic Unit of Materials Engineering, Federal University of Campina Grande (UFCG), Campina Grande, Paraíba, 58429-900, Brazil
| | - Gelmires de Araújo Neves
- Laboratory of Materials Technology (LTM), Academic Unit of Materials Engineering, Federal University of Campina Grande (UFCG), Campina Grande, Paraíba, 58429-900, Brazil
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Zhang H, Pan Y, Wang Z, Wu A, Zhang Y. Synthesis of hollow mesoporous manganese dioxide nanoadsorbents with strong negative charge and their ultra-efficient adsorption for cationic dyes. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Comparative Evaluation of the Adsorption Performance of Citric Acid-Treated Peels of Trapa natans and Citrullus lanatus for Cationic Dyes Degradation from Water. J CHEM-NY 2022. [DOI: 10.1155/2022/1109376] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Various chemicals were explored in chemical combinations with two selected agrowastes in order to optimize, enhance, and improve their biosorption potential for the optimal and effective eradication of noxious, carcinogenic, and malignant cationic and basic dyes from wastewater. In this project, environmentally safe, economic, inexpensive, and widely available peels of Trapa natans (TP) and Citrullus lanatus (CP) were collected, dried, and pretreated with citric acid, revealing promising results. FT-IR and SEM characterizations of chemically changed biosorbents (C-TP and C-CP) have evidenced the presence of more secondary adsorption sites on their surfaces. These acid-modified biosorbents were employed to eliminate the hazardous and toxic basic dyes such as Rhodamine B (RAD) and Brilliant Green Dye (BLG) in batch mode processing. The Langmuir model was best fitted to equilibrium experimental data as compared to Freundlich and Temkin isothermal mathematical models with Qmax of 15.63 and 27.55 mg/g for RAD using C-TP and C-CP, respectively, whereas, for BLG on C-TP and C-CP, it was 128 and 189 mg/g, respectively. Therefore, the mechanism is related to chelation and ion exchange modes between adsorbate molecules and adsorbent surfaces, leading to homogeneous and monolayer adsorption and following pseudo-2nd-order kinetics in the best way. Thermodynamic parameters such as ΔG0, ΔS0, ΔH0, and ΔE0 are determined statistically for the adsorption performance of both novel chemically mutant biosorbents, which reflect that biosorption mechanisms are exothermic as well as spontaneous.
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Glutathione-functionalized highly crystalline fluorescent covalent organic framework as a fluorescence-sensing and adsorption double platform for cationic dyes. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120673] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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